404424424445 has 8 divisors (see below), whose sum is σ = 487323042360. Its totient is φ = 322197050880.

The previous prime is 404424424409. The next prime is 404424424447. The reversal of 404424424445 is 544424424404.

It can be written as a sum of positive squares in 4 ways, for example, as 6441346564 + 397983077881 = 80258^2 + 630859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404424424445 - 2¹⁴ = 404424408061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404424424447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167809760 + ... + 167812169.

It is an arithmetic number, because the mean of its divisors is an integer number (60915380295).

Almost surely, 2^404424424445 is an apocalyptic number.

It is an amenable number.

404424424445 is a deficient number, since it is larger than the sum of its proper divisors (82898617915).

404424424445 is a wasteful number, since it uses less digits than its factorization.

404424424445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335622175.

The product of its (nonzero) digits is 1310720, while the sum is 41.

Subtracting from 404424424445 its sum of digits (41), we obtain a palindrome (404424424404).

Adding to 404424424445 its reverse (544424424404), we get a palindrome (948848848849).

The spelling of 404424424445 in words is "four hundred four billion, four hundred twenty-four million, four hundred twenty-four thousand, four hundred forty-five".